A most likely minimum is this 7/7 creature alone on the battlefield
(Your opponent chooses the new Active Pokemon.) If you do, discard this Pokemon and all attached cards
Whats interesting about the decks is they say for Pewter City Season and Cerulean City Season on them and on the back, they mention they will be used season to season
Embrose, doyen de Plumargent Set Number 195 Language Franais Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pauper, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Standard Rulings (4/16/2021) Lesson is a spell subtype found on some instant and sorcery cards in the Strixhaven set
Even so, I already had a large stable of mono-green decks on my shelf